B vitamins are 

If your clusters are difficult to interpret which of the following might improve your interpretation?

What is the main cause of vitamin B12 deficiency?

You are considering starting a company in the home furnishings industry. You feel like the competition in that industry is particularly weak and that you have some statistical knowledge that most of the marketplace is lacking. You feel that in a very short time and with minimal effort you can quickly be one of the better “players” in that industry. This is similar to what lesson Nate Silver offers from poker?

Most television personalities who get paid to make predictions (e.g., political pundits) are _________.

In order to demonstrate that a personality test (e.g., extraversion) is a valid predictor of success in a given job (e.g., sales), a consultant collects the extraversion scores from 100 current employees and correlates those scores with the employees most recent performance evaluations. This is an example of what form of validation?

Which of the following is a feature of Retin-A?

How is iron used in the bone marrow?

The bioavailability of vitamins in food ____.

A deficiency of which vitamin causes cheilosis, a condition in which the corners of the mouth become cracked and red?